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-rw-r--r--road_cmd.c75
1 files changed, 40 insertions, 35 deletions
diff --git a/road_cmd.c b/road_cmd.c
index 14459506c..56e03ea8c 100644
--- a/road_cmd.c
+++ b/road_cmd.c
@@ -224,7 +224,7 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM);
_m[tile].m5 ^= c;
- if (GB(_m[tile].m5, 0, 4) == 0) {
+ if (GetRoadBits(tile) == 0) {
DoClearSquare(tile);
} else {
MarkTileDirtyByTile(tile);
@@ -270,33 +270,33 @@ return_error:;
}
-static const byte _valid_tileh_slopes_road[3][15] = {
+static const RoadBits _valid_tileh_slopes_road[3][15] = {
// set of normal ones
{
ROAD_ALL, 0, 0,
- ROAD_SW | ROAD_NE, 0, 0, // 3, 4, 5
- ROAD_NW | ROAD_SE, 0, 0,
- ROAD_NW | ROAD_SE, 0, 0, // 9, 10, 11
- ROAD_SW | ROAD_NE, 0, 0
+ ROAD_X, 0, 0, // 3, 4, 5
+ ROAD_Y, 0, 0,
+ ROAD_Y, 0, 0, // 9, 10, 11
+ ROAD_X, 0, 0
},
// allowed road for an evenly raised platform
{
0,
ROAD_SW | ROAD_NW,
ROAD_SW | ROAD_SE,
- ROAD_NW | ROAD_SE | ROAD_SW,
+ ROAD_Y | ROAD_SW,
ROAD_SE | ROAD_NE, // 4
ROAD_ALL,
- ROAD_SW | ROAD_NE | ROAD_SE,
+ ROAD_X | ROAD_SE,
ROAD_ALL,
ROAD_NW | ROAD_NE, // 8
- ROAD_SW | ROAD_NE | ROAD_NW,
+ ROAD_X | ROAD_NW,
ROAD_ALL,
ROAD_ALL,
- ROAD_NW | ROAD_SE | ROAD_NE, // 12
+ ROAD_Y | ROAD_NE, // 12
ROAD_ALL,
ROAD_ALL
},
@@ -549,7 +549,8 @@ int32 CmdBuildLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
tile = start_tile;
// Start tile is the small number.
for (;;) {
- uint bits = HASBIT(p2, 2) ? ROAD_SE | ROAD_NW : ROAD_SW | ROAD_NE;
+ RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X;
+
if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE;
if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW;
@@ -604,12 +605,13 @@ int32 CmdRemoveLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
tile = start_tile;
// Start tile is the small number.
for (;;) {
- uint bits = HASBIT(p2, 2) ? ROAD_SE | ROAD_NW : ROAD_SW | ROAD_NE;
+ RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X;
+
if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE;
if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW;
// try to remove the halves.
- if (bits) {
+ if (bits != 0) {
ret = DoCommandByTile(tile, bits, 0, flags, CMD_REMOVE_ROAD);
if (!CmdFailed(ret)) cost += ret;
}
@@ -669,7 +671,7 @@ int32 CmdBuildRoadDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
ModifyTile(tile,
MP_SETTYPE(MP_STREET) |
MP_MAPOWNER_CURRENT | MP_MAP5,
- (p1 | 0x20) /* map5 */
+ (ROAD_DEPOT << 4) | p1 /* map5 */
);
}
@@ -745,7 +747,7 @@ typedef struct DrawRoadSeqStruct {
#include "table/road_land.h"
-uint GetRoadFoundation(uint tileh, uint bits)
+uint GetRoadFoundation(uint tileh, RoadBits bits)
{
int i;
// normal level sloped building
@@ -758,8 +760,8 @@ uint GetRoadFoundation(uint tileh, uint bits)
(i += 2, tileh == 4) ||
(i += 2, tileh == 8)
) && (
- ( bits == (ROAD_SW | ROAD_NE)) ||
- (i++, bits == (ROAD_NW | ROAD_SE))
+ ( bits == ROAD_X) ||
+ (i++, bits == ROAD_Y)
)) {
return i + 15;
}
@@ -782,7 +784,7 @@ const byte _road_sloped_sprites[14] = {
* @param snow Draw snow
* @param flat Draw foundation
*/
-static void DrawRoadBits(TileInfo *ti, byte road, byte ground_type, bool snow, bool flat)
+static void DrawRoadBits(TileInfo* ti, RoadBits road, byte ground_type, bool snow, bool flat)
{
const DrawRoadTileStruct *drts;
PalSpriteID image = 0;
@@ -820,7 +822,7 @@ static void DrawRoadBits(TileInfo *ti, byte road, byte ground_type, bool snow, b
if (ground_type >= 6) {
// Road works
- DrawGroundSprite(HASBIT(road, 3) ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y);
+ DrawGroundSprite(road & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y);
return;
}
@@ -839,12 +841,12 @@ static void DrawTile_Road(TileInfo *ti)
PalSpriteID image;
uint16 m2;
- switch (GB(ti->map5, 4, 4)) {
- case 0: // normal road
- DrawRoadBits(ti, GB(ti->map5, 0, 4), GB(_m[ti->tile].m4, 4, 3), HASBIT(_m[ti->tile].m4, 7), false);
+ switch (GetRoadType(ti->tile)) {
+ case ROAD_NORMAL:
+ DrawRoadBits(ti, GetRoadBits(ti->tile), GB(_m[ti->tile].m4, 4, 3), HASBIT(_m[ti->tile].m4, 7), false);
break;
- case 1: { // level crossing
+ case ROAD_CROSSING: {
if (ti->tileh != 0) DrawFoundation(ti, ti->tileh);
image = GetRailTypeInfo(GB(_m[ti->tile].m4, 0, 4))->base_sprites.crossing;
@@ -865,7 +867,8 @@ static void DrawTile_Road(TileInfo *ti)
break;
}
- default: { // depot
+ default:
+ case ROAD_DEPOT: {
uint32 ormod;
PlayerID player;
const DrawRoadSeqStruct* drss;
@@ -926,9 +929,10 @@ static uint GetSlopeZ_Road(const TileInfo* ti)
// check if it's a foundation
if (ti->tileh != 0) {
- switch (GB(ti->map5, 4, 4)) {
- case 0: { // normal road
- uint f = GetRoadFoundation(ti->tileh, GB(ti->map5, 0, 4));
+ switch (GetRoadType(ti->tile)) {
+ case ROAD_NORMAL: {
+ uint f = GetRoadFoundation(ti->tileh, GetRoadBits(ti->tile));
+
if (f != 0) {
if (f < 15) {
// leveled foundation
@@ -941,8 +945,8 @@ static uint GetSlopeZ_Road(const TileInfo* ti)
}
// if these are on a slope then there's a level foundation
- case 1: // level crossing
- case 2: // depot
+ case ROAD_DEPOT:
+ case ROAD_CROSSING:
return z + 8;
default: break;
@@ -956,9 +960,10 @@ static uint GetSlopeTileh_Road(const TileInfo *ti)
{
// check if it's a foundation
if (ti->tileh != 0) {
- switch (GB(ti->map5, 4, 4)) {
- case 0: { // normal road
- uint f = GetRoadFoundation(ti->tileh, GB(ti->map5, 0, 4));
+ switch (GetRoadType(ti->tile)) {
+ case ROAD_NORMAL: {
+ uint f = GetRoadFoundation(ti->tileh, GetRoadBits(ti->tile));
+
if (f != 0) {
if (f < 15) {
// leveled foundation
@@ -971,8 +976,8 @@ static uint GetSlopeTileh_Road(const TileInfo *ti)
}
// if these are on a slope then there's a level foundation
- case 1: // level crossing
- case 2: // depot
+ case ROAD_CROSSING:
+ case ROAD_DEPOT:
return 0;
default: break;
@@ -1213,7 +1218,7 @@ static void ChangeTileOwner_Road(TileIndex tile, PlayerID old_player, PlayerID n
SetTileOwner(tile, _m[tile].m3);
_m[tile].m3 = 0;
_m[tile].m4 &= 0x80;
- _m[tile].m5 = GetCrossingRoadBits(tile);
+ _m[tile].m5 = (ROAD_NORMAL << 4) | GetCrossingRoadBits(tile);
break;
default:
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-19 04:32:44 +0000